el día que las ranas críen pelo*
* the day that frogs grow up hair
A different way to say that something would never happen or a strong no to a question.
"¿Vienes conmigo al partido?"
"¡Iré contigo el día que las ranas críen pelo!"
"Would you come with me to the match?"
"I will go with you the day that frogs grow up hair!"
Submitted October 2020